Rosette-machine



` G. GRILL. ROSBTTB MACHINE.

No. 245,817. Patented Aug.'16,1881.

UNITED STATES PATENT OFFICE.

GO'ITFRIED GRILL, OF BALTIMORE, vMARYLAND.

ROSETTE-MACHINE.

SPECIFICATION forming part of Letters Patent No. 245,817, dated August16, 1881.

Application led June 17, 1881.

To all whom it may concern:

Beit known that I, GOTTERIED GRILL, of Baltimore city, State ofMaryland, have invented certain new and useful Improvements inRosette-Machines and I hereby declare the same to be fully, clearly, andexactly described as follows, reference being had to the accompanyingdrawings, in which- Figure l is a front and Fig. 2 a side elevationofthe machine. Fig. 3 is a sectional view on the line .r .fr of Fig. 1,and Fig. 4 is a plan ofthe pawl for actuating the discharging mechanlsm.

Myinvention relates to machines for cutting wood rosettes to be used asornaments or escutoheons for furniture; and it consists in certaindetails of construction and combinations of parts, as hereinafter setforth and claimed.

In the drawings, A is the main frame, in which are journaled in bearings a a b b the shafts B and C. The shaft C carries a pulley, c, for thedrivin g-belt, and on its inner end is mounted the cutter-head E, havingblades e of any'desired contour. The shaf'tB carries also a pulley, c,for its driving-belt, and on the end of the shaft is mounted a cutter,D, having one or more peripheral blades, d, exactly similar to the sidelips of an ordinary auger.

F is a frame which slides in a direction parallel to the aXes of theshafts B and C, which are accurately in alignment. The frame F isnormally drawn upward by springs G, that are connected with the frame bywiresff, as shown.

His a table or plate secured to the frame F, and extending outwardbetween the cutters D andE inadirection at right angles to the shafts Band C. It has a front handle, h, by means of which the table and frameare raised and lowered, and is provided with an aperture, 7L', throughwhich the cutters pass.

I is a block secured to the table H, and to it is hinged at i the plateJ, having an aperture, j, for the entrance of the cutter D`.

L is a lever (see Fig. 3) pivoted to the table H, having a recess, r,adapted, as hereinafter described, to be brought opposite the orifice h.lhe lever is normally thrust toward the stop m loy means of a spring, n,its lower end traveling against a curved guide, N.

A pawhp, is mounted on the frame A, and a pin, p', secured to the rearedge of the table (No model.)

H engages with the end p of the pawl, bringing its end p'f in the lineof motion of the lower end of the lever L. A spring, s, serves to returnthe pawl to its normal position.

In operation the shafts B and C are caused to revolve, and the boardfrom which the rosettes are to be cutis laid upon the table H. The plateJ is then brought down upon the board, and the projecting end of theplate and the handle h being grasped by the operator, the board issecurely clamped. The entire frame is then pressed down toward thecutterhead E, pending which mot-ion the lower end of the lever Ltraverses the curve N, and the upper end moves awayfrom its positionopposite the hole h. The cutter-head passes through the hole and cutsthe rosette on the face ofthe board clamped 'between the table H andplate J. At the same time the pinp encounters the end p of the pawlp andtilts its lower end,19, opposite the path of the lower end of the lever,causing the upper end to tilt backward slightly against the resistanceof the spring. As the lower end of the lever passes the end 19 of thepawl the spring u throws the lever over against the stop m, discharginga previously cut rosette into a suitable basket. As soon as the face ofthe rosette is formed by the cutter E, the frame F is lifted against thecutter D, which enters the rear face of the board and cleanly cuts outthe rosette. The latter falls through the hole h into the recess in theupper end of the lever L, which, pending the upstroke of the frame F,has come opposite the hole. The board is then moved forward, the frameis depressed, andthe severed rosette is thrown out by the lever, asabove described.

The machine is rapid and accurate in its work, furnishing rosettes withsmooth, cleancut edges, which possess the double advantage over thosehitherto made of fitting closely in countersunk mortises and of presenting a neat appearance when glued on the face of the article offurniture.

Instead of bringing the work to the cutters, the latter may be made toapproach and recede from the work 5 but the described construction is tobe preferred.

What I claim isl. In a rosette-machine, a reciprocating ta ble forholding the work, in combination with ICO :L pair of shafts carryingrespectively a cutter for forming the face of the rosette and. asevciting-cutter and mechanism for reciprocating the table between thecutters, as set forth.

5 2. In combination with the shafts 'and cutters, the sliding' frame F,table H, and plate J, as set forth.

3. In combination with the shafts and cutters, the table H, havingorifice h', and the 1o hinged platte J, having orice j, as set forth.

4. In combination With the shafts and cutters, the sliding frame andclamp, and the 1e ver L and paWl p, as set forth.

5. In combination with the shafts and cutters, the sliding frame andclamp, the lever L, I 5 having recess r, the pawl p, and spring n, asand for the purpose set forth.

GOTTFRIED GRILL.

Witnesses:

R. D. WILLIAMS, J oHN BETZ.

